Daikin SEHVX20BAW - Technical Specifications: Outdoor Unit

76 pages

Save Page as PDF

To Next Page

To Previous Page

12 Technical data

Installer and user reference guide

SERHQ020~032BAW1 + SEHVX20~64BAW

Split packaged air-cooled water chiller

4P508020-1A – 2018.01

12.8 Technical specifications: Outdoor

unit

INFORMATION

For technical and electrical details, see technical

engineering data.

Main Page

Table of Contents2
General Safety Precautions3
About the Documentation3
Meaning of Warnings and Symbols3
For the User4
For the Installer4
General4
Installation Site4
Refrigerant5
Brine5
Water6
About the Documentation6
About this Document6
Installer and User Reference Guide at a Glance7
For the Installer7
About the Box7
Overview: about the Box7
Outdoor Unit7
To Unpack the Outdoor Unit7
To Handle the Outdoor Unit8
Indoor Unit8
To Unpack the Indoor Unit8
About the Units and Options9
Overview: about the Units and Options9
Identification Label: Outdoor Unit9
Identification Label: Indoor Unit9
About the Outdoor Unit9
About the Indoor Unit10
About Combining Units and Options10
Operation Range10
Combining Units and Options10
Possible Options for the Split System10
System Layout10
Preparation10
Overview: Preparation10
Preparing the Installation Site11
Installation Site Requirements of the Outdoor Unit11
Installation Site Requirements of the Indoor Unit12
Preparing Refrigerant Piping12
Refrigerant Piping Requirements12
To Select the Piping Size12
About the Piping Length13
Preparing Water Piping13
Water Circuit Requirements13
Formula to Calculate the Expansion Vessel Pre-Pressure14
To Check the Water Volume and Expansion Vessel Pre-Pressure14
Changing the Pre-Pressure of the Expansion Vessel15
To Check the Water Volume: Examples15
Preparing Electrical Wiring15
About Preparing Electrical Wiring15
About Electrical Compliance16
Cable Requirements16
Safety Device Requirements16
Overview: Installation16
Opening the Units17
About Opening the Units17
To Open the Outdoor Unit17
To Open the Indoor Unit17
To Open the Electrical Component Box of the Outdoor Unit17
To Open the Electrical Component Box of the Indoor Unit18
Mounting the Outdoor Unit18
About Mounting the Outdoor Unit18
Precautions When Mounting the Outdoor Unit18
To Provide the Installation Structure18
To Provide Drainage18
Mounting the Indoor Unit18
About Mounting the Indoor Unit18
Precautions When Mounting the Indoor Unit19
To Provide the Installation Structure19
Connecting the Refrigerant Piping19
Precautions When Connecting the Refrigerant Piping19
To Braze the Pipe End20
Using the Stop Valve and Service Port20
To Connect the Refrigerant Piping to the Outdoor Unit21
To Connect the Refrigerant Piping to the Indoor Unit22
Checking the Refrigerant Piping23
About Checking the Refrigerant Piping23
Precautions When Checking the Refrigerant Piping23
Checking Refrigerant Piping: Setup23
To Check for Leaks: Pressure Leak Test23
To Perform Vacuum Drying23
To Insulate the Refrigerant Piping24
Charging Refrigerant24
About Charging Refrigerant24
Precautions When Charging Refrigerant24
To Determine the Additional Refrigerant Amount25
To Charge Refrigerant25
Error Codes When Charging Refrigerant27
Final Adjustment of the Refrigerant Amount27
To Input the Additional Refrigerant Charge Weight28
Checks after Charging Refrigerant28
To Fix the Fluorinated Greenhouse Gases Label28
Connecting the Water Piping29
About Connecting the Water Piping29
Precautions When Connecting the Water Piping29
To Connect the Water Piping29
To Fill the Water Circuit29
To Insulate the Water Piping29
Connecting the Electrical Wiring29
About Connecting the Electrical Wiring29
Precautions When Connecting Electrical Wiring30
Field Wiring: Overview31
About the Electrical Wiring31
To Route and Fix the Power Supply31
To Connect the Power Supply of the Outdoor Unit32
To Connect the Power Supply and Transmission Cables33
Guidelines When Knocking out Knockout Holes33
To Install the User Interface34
To Install Optional Equipment34
Configuration35
Overview: Configuration35
Making Field Settings35
About Making Field Settings35
Field Setting Components35
To Access the Field Setting Components35
To Access Mode 1 or 236
To Use Mode 136
To Use Mode 236
Mode 1: Monitoring Settings36
Mode 2: Field Settings37
Field Settings on the User Interface38
Using the Leak Detection Function42
About Automatic Leak Detection42
To Manually Perform a Leak Detection42
Switching between Cooling and Heating43
Commissioning43
Overview: Commissioning43
Precautions When Commissioning43
Checklist before Commissioning the Outdoor Unit44
Checklist before Commissioning the Indoor Unit44
Final Check45
To Perform a Test Run of the Outdoor Unit45
Refrigerant Added Using Automatic Charging45
Refrigerant Added Using Manual Charging (Cooling Mode)45
Refrigerant Added Using Manual Charging (Heating Mode, Pre-Charging)46
Correcting after Abnormal Completion of the Test Run46
Checklist Handover to the User46
To Complete the Model Fill-In47
Maintenance and Service47
Overview: Maintenance and Service47
Maintenance Safety Precautions47
To Prevent Electrical Hazards47
About Service Mode Operation47
To Use Vacuum Mode47
To Recover Refrigerant47
Checklist for Yearly Maintenance of the Indoor Unit48
10 Troubleshooting48
Overview: Troubleshooting48
Error Codes: Overview48
Error Codes of the Outdoor Unit49
11 Disposal49
12 Technical Data50
Overview: Technical Data50
Service Space: Outdoor Unit50
Service Space: Indoor Unit50
Piping Diagram: Outdoor Unit52
Piping Diagram: Indoor Unit53
Wiring Diagram: Outdoor Unit54
Wiring Diagram: Indoor Unit55
Technical Specifications: Outdoor Unit56
Field Settings on the User Interface - Overview57
12.10 Field Settings on the Outdoor Unit59
12.11 ESP Curve: Indoor Unit60
For the User60
13 About the System60
System Layout60
14 User Interface61
Before Operation61
16 Operation62
Operation Range62
Quick Start-Up62
Operating the System63
About the Clock63
About Operating the System64
Space Cooling Operation64
Space Heating Operation64
Other Operation Modes65
Schedule Timer65
Operating the Optional Demand PCB69
Operating the Optional External Control Adapter69
Operating the Optional Remote Controller69
17 Maintenance and Service69
About the Refrigerant70
After-Sales Service and Warranty70
Warranty Period70
Recommended Maintenance and Inspection70
Recommended Maintenance and Inspection Cycles70
18 Troubleshooting70
Error Codes: Overview71

Daikin SEHVX20BAW - Technical Specifications: Outdoor Unit

Table of Contents

Other manuals for Daikin SEHVX20BAW

Related product manuals